Today the museum has over 2000 works of art, focused mainly on American landscape paintings and work by Long Island artists, as well as featuring American and European modernism, and photography.
British Museum | Museum of Modern Art | Art Deco | Metropolitan Museum of Art | American Museum of Natural History | Art Institute of Chicago | Victoria and Albert Museum | Natural History Museum | San Francisco Museum of Modern Art | National Gallery of Art | Honolulu Museum of Art | museum | Whitney Museum of American Art | Museum of Fine Arts, Boston | Los Angeles County Museum of Art | Solomon R. Guggenheim Museum | National Air and Space Museum | Brooklyn Museum | National Baseball Hall of Fame and Museum | Art Nouveau | Royal College of Art | Walker Art Center | Hermitage Museum | National Museum of Racing and Hall of Fame | art | Glasgow School of Art | Museum of Contemporary Art | Field Museum of Natural History | Philadelphia Museum of Art | Imperial War Museum |
Such wealthy and widely known people as Edward W. Bok (long-time editor of Ladies' Home Journal and Pulitzer-Prize-winning author), August Heckscher (benefactor of the Heckscher Museum of Art), and Irving T. Bush (of Bush Terminal, Bush Tower, and Bush House fame) subsequently became early "snowbirds" and established winter homes in or near Mountain Lake Estates.